Finding the Fourth Proportional to 102,802.20, 154,037.70 and 58,296.60
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Solution
The fourth proportional to 102,802.20, 154,037.70 and 58,296.60 is: 87,350.99
Step by Step Solution
- Step 1: Write the proportion equation
102,802.20 : 154,037.70 = 58,296.60 : x - Step 2: Convert to fraction form
102,802.20/154,037.70 = 58,296.60/x - Step 3: Cross multiply
102,802.20x = 154,037.70 × 58,296.60 - Step 4: Simplify right side
102,802.20x = 8,979,874,181.82 - Step 5: Solve for x
x = 8,979,874,181.82/102,802.20 - Step 6: Final answer
x = 87,350.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.